abort with a traceback

[MariuszXC]

On Ubuntu 22.04.1 LTS, Python 3.10.6

$ python3 jsb-to-png.py jsb-test.xml 
Starting JSBSim to PNG program, version 1.08
Parsing jsb-test.xml
Output to folder /opt/fg/myHangar/jsb-to-png/jsb-test (will overwrite PNG images if exist)
Generating the (1280x720) PNG images..
Traceback (most recent call last):
  File "/opt/fg/myHangar/jsb-to-png/./jsb-to-png.py", line 87, in <module>
    fig.write_image(file+os.sep+name+".png", format='png', width=image_width, height=image_height, scale=1)
  File "/usr/lib/python3/dist-packages/plotly/basedatatypes.py", line 3821, in write_image
    return pio.write_image(self, *args, **kwargs)
  File "/usr/lib/python3/dist-packages/plotly/io/_kaleido.py", line 268, in write_image
    img_data = to_image(
  File "/usr/lib/python3/dist-packages/plotly/io/_kaleido.py", line 145, in to_image
    img_bytes = scope.transform(
  File "/home/xxx/.local/lib/python3.10/site-packages/kaleido/scopes/plotly.py", line 153, in transform
    response = self._perform_transform(
  File "/home/xxx/.local/lib/python3.10/site-packages/kaleido/scopes/base.py", line 293, in _perform_transform
    self._ensure_kaleido()
  File "/home/xxx/.local/lib/python3.10/site-packages/kaleido/scopes/base.py", line 203, in _ensure_kaleido
    raise ValueError(startup_response.get("message", "Failed to start Kaleido subprocess"))
ValueError: --plotlyjs argument is not a valid URL or file path: /usr/lib/python3/dist-packages/plotly/package_data/plotly.min.js

[NikolaiVChr]

I think you are using the wrong library for plotly.

Did you try this:

[NikolaiVChr]

Did you do this?
pip install plotly==5.3.1

I did not use kaleido when using plotly, maybe that's the issue.

[NikolaiVChr]

It seems newer versions of plotly use kaleido. Hence why maybe try the 5.3.1, which is a version before needing kaleido.

[MariuszXC]

I have plotly 5.4.0 installed.

$ pip3 install plotly
Defaulting to user installation because normal site-packages is not writeable
Requirement already satisfied: plotly in /usr/lib/python3/dist-packages (5.4.0)

Will try to downgrade.

Edit:

$ pip3 install plotly==5.3.1
Defaulting to user installation because normal site-packages is not writeable
Collecting plotly==5.3.1
  Downloading plotly-5.3.1-py2.py3-none-any.whl (23.9 MB)
     ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 23.9/23.9 MB 7.3 MB/s eta 0:00:00
Requirement already satisfied: tenacity>=6.2.0 in /usr/lib/python3/dist-packages (from plotly==5.3.1) (6.3.1)
Requirement already satisfied: six in /usr/lib/python3/dist-packages (from plotly==5.3.1) (1.16.0)
Installing collected packages: plotly
Successfully installed plotly-5.3.1

And the result is:

$ ./jsb-to-png.py jsb-test.xml 
Starting JSBSim to PNG program, version 1.08
Parsing jsb-test.xml
Output to folder /opt/fg/myHangar/jsb-to-png/jsb-test (will overwrite PNG images if exist)
Generating the (1280x720) PNG images..
Finished. Successfully processed 71 tables.
Ignored 1 tables (see readme on how to avoid tables being ignored).

[MariuszXC]

Regarding the final message about ignoring a table, it would be nice to print a starting line number(s) of the ignored table(s).

[NikolaiVChr]

Good point, I will look into that.